A discrete model for radiowave scattering in vegetation screens at millimetric wave frequencies

Author

Fernandes, Telmo R. ; Caldeirinha, Rafael F S ; Richter, Jürgen ; Al-Nuaimi, Miqdad O.

Author_Institution

Polytech. Inst. of Leiria, ESTG, Portugal

Volume

3

fYear

2004

fDate

5-8 Sept. 2004

Firstpage

1844

Abstract

A method based on the radiative energy transfer theory (RET) to estimate the scattered signals from isolated groups of trees is presented. The proposed method consists of measuring the reradiation function of each tree in the group and subsequently uses these in a discrete algorithm to estimate the overall reradiation at any location within a forest scenario. The estimated scattering is compared with measurements performed inside an anechoic chamber on two tree species at 20 and 62.4 GHz.

Keywords

anechoic chambers (electromagnetic); electromagnetic wave scattering; millimetre wave propagation; 20 GHz; anechoic chamber; discrete algorithm; foliage penetration; millimetric wave frequency; radiative energy transfer theory; radiowave scattering; reradiation function; scattered signal estimation; tree group; vegetation screen; Anechoic chambers; Electromagnetic scattering; Energy exchange; Estimation theory; Extraterrestrial measurements; Frequency; Radio communication; Radiowave propagation; Scattering parameters; Vegetation;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2004. PIMRC 2004. 15th IEEE International Symposium on

Print_ISBN

0-7803-8523-3

Type

conf

DOI

10.1109/PIMRC.2004.1368318

Filename

1368318